Run format-webkit on webkitpy code (without string conversion).

third_party/WebKit/Tools/Scripts/webkitpy/tool/mocktool.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/tool/mocktool.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/tool/mocktool.py b/third_party/WebKit/Tools/Scripts/webkitpy/tool/mocktool.py
index 1b8a6fddfe96aa27dd886825ef46902f048e2f60..6f915e885373514e19dad36441797b60b869c84d 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/tool/mocktool.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/tool/mocktool.py
@@ -35,6 +35,7 @@ from webkitpy.common.config.ports_mock import MockPort
 
 # FIXME: We should just replace this with optparse.Values(default=kwargs)
 class MockOptions(object):
+
     """Mock implementation of optparse.Values."""
 
     def __init__(self, **kwargs):
@@ -50,7 +51,7 @@ class MockOptions(object):
         return self
 
     def ensure_value(self, key, value):
-        if getattr(self, key, None) == None:
+        if getattr(self, key, None) is None:
             self.__dict__[key] = value
         return self.__dict__[key]